CN103066569A - Storage battery low-voltage protecting device and storage battery low-voltage protecting system - Google Patents
Storage battery low-voltage protecting device and storage battery low-voltage protecting system Download PDFInfo
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- CN103066569A CN103066569A CN2012105546200A CN201210554620A CN103066569A CN 103066569 A CN103066569 A CN 103066569A CN 2012105546200 A CN2012105546200 A CN 2012105546200A CN 201210554620 A CN201210554620 A CN 201210554620A CN 103066569 A CN103066569 A CN 103066569A
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Abstract
The invention provides a storage battery low-voltage protecting device and a storage battery low-voltage protecting system. The device comprises an input module, an output module, and a low-voltage protecting module, wherein the input module is used for inputting direct-current electric signals output by the storage battery, the output module is used for outputting the direct-current electric signals to a load to be used as a working power supply, the low-voltage protecting module is used for monitoring the direct-current electric signals and cutting off electric connections between the input module and the output module to ensure that the output module stops outputting the direct-current electric signals when monitoring that the voltage of the direct-current electric signals is lower than an arranged voltage protecting value. By monitoring the direct-current electric signals output by storage battery and cutting off the electric connections of the storage battery and the load when the voltage of the direct-current electric signals is monitored to be lower than the arranged voltage protecting value, the storage battery stops supplying electric power to the load, the storage battery low-voltage protecting device and the storage battery low-voltage protecting system avoid the situation that the storage battery is undervoltage and lack of electricity because of continuous power consumption, and improve service life of the storage battery.
Description
Technical field
The present invention relates to the storage battery DC power-supply system, relate in particular to a kind of storage battery undervoltage protection and system.
Background technology
Most of employing is single-phase 25KV power supply mechanism in the railway system of China, and to train power supply, the pantograph of train obtains the required electric energy of train by the rising bow drainage from contact line by contact line, and provides direct current by charger for train.Simultaneously, park at train in the special operation such as maintenance, pantograph is fallen bow and is quit work, disconnection is connected with contact line, in order to guarantee the power supply of lighting apparatus even load on the car, also disposed storage battery on the train, storage battery and charger output are connected to the DC load power supply.
In the prior art, when parking the special operations such as maintenance at train, manually the switching knob with storage battery turns to out position " on ", can connect storage battery power supply, storage battery power supply adopts the uninterrupted power supply pattern, must turn to off-position " off " by manual switching knob with storage battery, just can close storage battery power supply.
But there is following defective in prior art: cross when low when battery tension, if storage battery continues power supply, then storage battery can continue power consumption, until under-voltage power shortage, affects the useful life of storage battery.
Summary of the invention
The invention provides a kind of storage battery undervoltage protection and system, in order to solve the under-voltage power shortage of the storage battery that exists in the prior art, affect the problem in the useful life of storage battery.
On the one hand, the invention provides a kind of storage battery undervoltage protection, comprising: input module, output module and under-voltage protection module, wherein:
Described input module is used for inputting the dc signal that described storage battery is exported;
Described output module is used for the described dc signal of described input module input is exported to load as working power;
Described under-voltage protection module; be used for the described dc signal of described input module input is monitored; when the voltage that monitors described dc signal during less than predeterminated voltage protection value; cut off the electrical connection between described input module and the described output module, so that described output module stops to export described dc signal to described load.
On the other hand, the invention provides a kind of storage battery under-voltage protection system, comprise at least one aforesaid storage battery undervoltage protection, and storage battery, described storage battery undervoltage protection be connected storage battery and connect.
Storage battery undervoltage protection provided by the invention and system; by the dc signal of storage battery output is monitored; when the voltage that monitors dc signal during less than predeterminated voltage protection value; cut off the electrical connection between storage battery and the load; storage battery stops to power to the load; avoid storage battery to cause under-voltage power shortage because continuing power consumption, improved the useful life of storage battery.
Description of drawings
Fig. 1 is the structural representation of an embodiment of storage battery undervoltage protection provided by the invention;
Fig. 2 is the structural representation of another embodiment of storage battery undervoltage protection provided by the invention;
Fig. 3 is the structural representation of a kind of specific implementation embodiment illustrated in fig. 2;
Fig. 4 is the structural representation of a kind of control circuit between storage battery and the load;
Fig. 5 is the structural representation of another control circuit between storage battery and the load;
Fig. 6 is the structural representation of a storage battery under-voltage protection embodiment of system provided by the invention.
Embodiment
Below by specific embodiment and accompanying drawing, the technical scheme of inventing is described in further detail.
Fig. 1 is the structural representation of an embodiment of storage battery undervoltage protection provided by the invention; As shown in Figure 1, this device can comprise: input module 11, output module 12 and under-voltage protection module 13, wherein:
Input module 11 is used for the dc signal that the input storage battery is exported;
Under-voltage protection module 13; be used for the dc signal of input module 11 inputs is monitored; when the voltage that monitors dc signal during less than predeterminated voltage protection value; cut off the electrical connection between input module 11 and the output module 12, so that output module 12 stops to load output DC signal.
Concrete, when parking the special operations such as maintenance at train, storage battery provides working power for load, the switch of storage battery can return the formula rotary switch for appliance for releasing single, default location is zero-bit " 0 ", when manual switching knob with storage battery turns to out position " on ", can connect storage battery power supply, the concrete powering mode of storage battery can be direct-connected battery (Battery Direct, be called for short BD) pattern, it is the uninterrupted power supply pattern, under this pattern, must turn to off-position " off " by manual switching knob with storage battery, just can close storage battery power supply.In the storage battery power supply process, along with the growth of power-on time, the voltage of storage battery can descend always, if untimely switch of closing storage battery, storage battery is power consumption always, until under-voltage power shortage, affects the useful life of storage battery.
Storage battery undervoltage protection provided by the invention in the storage battery power supply process, adopts the voltage of 13 pairs of storage batterys of under-voltage protection module to carry out Real Time Monitoring, and this module is specifically as follows low-voltage control relay etc.Concrete; can in this device, set in advance the voltage protection value; the charge threshold level of this predeterminated voltage protection value during greater than the under-voltage power shortage of storage battery; when the voltage that monitors storage battery when under-voltage protection module 13 is lower than this predeterminated voltage protection value; then under-voltage protection module 13 can be controlled relay in the battery charger or switching device etc. and cut off electrical connection between input module 11 and the output module 12; for example: between input module 11 and the output module 12 switching device can be set; under-voltage protection module 13 can disconnect by the unlatching of control switch device the electrical connection between input module 11 and the output module 12; thereby stop output module 12 to storage battery power supply; avoid storage battery to continue power consumption; cause under-voltage power shortage, affect the useful life of storage battery.
The storage battery undervoltage protection that present embodiment provides; by the dc signal of storage battery output is monitored; when the voltage that monitors dc signal during less than predeterminated voltage protection value; cut off the electrical connection between storage battery and the load; storage battery stops to power to the load; avoid storage battery to cause under-voltage power shortage because continuing power consumption, improved the useful life of storage battery.
Fig. 2 is the structural representation of another embodiment of storage battery undervoltage protection provided by the invention.As shown in Figure 2, present embodiment is based on embodiment shown in Figure 1, and the under-voltage protection module 13 in embodiment illustrated in fig. 1 specifically can comprise: monitoring unit 21, timing unit 22 and control unit 23, wherein:
Wherein, Preset Time can rule of thumb arrange the suitable time by the user, for example: can determine according to the electric weight of accumulators store, to guarantee in the storage battery power supply process, through behind the Preset Time, the critical value the when voltage of storage battery is equal to, or greater than the under-voltage power shortage of storage battery, timing unit 22 is when storage battery begins to power, be when the dc signal input is arranged in the input module 11, the beginning timing.Concrete; this storage battery undervoltage protection can be applied in the train auxiliary electrical system; when train is in off-duty state (for example speed is less than 5km/h); and when drivers' cab is in free state (for example direction switch is not in position forward or backward), timing unit 22 beginning timing.
Further; on basis embodiment illustrated in fig. 1; under-voltage protection module 13 in this storage battery undervoltage protection can also comprise: state feedback unit 24 and state-feedback circuit 25; the voltage that state feedback unit 24 is used for monitoring dc signal when monitoring unit 21 is during less than predeterminated voltage protection value; electrical connection between connection and the state-feedback circuit 25; so that state-feedback circuit 25 produces the first feedback signal, the first feedback signal is used to indicate the voltage of dc signal less than predeterminated voltage protection value.
Wherein, state-feedback circuit 25 is specifically as follows I0 input/output module circuit, corresponding, the first feedback signal, the second feedback signal and the 3rd feedback signal can realize feedback by showing level signal " 1 ".State-feedback circuit 25 also can be the warning devices such as indicator light or electric bell, and is corresponding, the first feedback signal, the second feedback signal and the 3rd feedback signal can be by indicator light bright or electric bell ring etc. and to realize feedback.The first feedback signal, the second feedback signal and the 3rd feedback signal are used to the user that warning information is provided, and are convenient to the user and in time take measures, such as being charge in batteries or manual-lock storage battery etc.
Fig. 3 is the structural representation of a kind of specific implementation embodiment illustrated in fig. 2.As shown in Figure 3, monitoring unit 21 is low-voltage control relay K1, and timing unit 22 is time relay K2, and control unit 23 is the first auxiliary relay K3, and state feedback unit 24 is the second auxiliary relay K4.The both positive and negative polarity A1 of the coil of low-voltage control relay K1, A2, respectively by the interface c on the line bank, the both positive and negative polarity of the dc signal of d and storage battery output is electrically connected, the both positive and negative polarity A1 of the coil of low-voltage control relay K1, A2 also respectively with the anodal D1 of the coil of the second auxiliary relay K4, the moving contact A11 of low-voltage control relay K1 is electrically connected, the fixed contact A12 of the negative pole D2 of the coil of the second auxiliary relay K4 and low-voltage control relay K1 is electrically connected, moving contact A11 and fixed contact A12 consist of one group of break contact, the negative pole C2 of the fixed contact A13 of low-voltage control relay K1 and the coil of the first auxiliary relay K3 is electrically connected, moving contact A11 and fixed contact A13 consist of one group of make contact, the anodal C1 of the coil of the first auxiliary relay K3 and the moving contact B11 of time relay K2 are electrically connected, the anodal B1 of the fixed contact B12 of time relay K2 and the coil of time relay K2 is electrically connected, the both positive and negative polarity B1 of the coil of time relay K2, B2 is respectively by the interface a on the line bank, the both positive and negative polarity of the dc signal of b and storage battery output is electrically connected, the fixed contact B15 of time relay K2 and moving contact B14 are respectively by the interface e on the line bank, f and state-feedback circuit 25 are electrically connected, the fixed contact C18 of the first auxiliary relay K3 and moving contact C17 are respectively by the interface e on the line bank, f and state-feedback circuit 25 are electrically connected, and the fixed contact D13 of the second auxiliary relay K4 and moving contact D11 are respectively by the interface e on the line bank, f and state-feedback circuit 25 are electrically connected.Different according to control circuit between storage battery and the load, the closure of the break contact that the closure of the break contact that the disconnection of the make contact that can form by fixed contact C14 and the moving contact C13 of the first auxiliary relay K3 or fixed contact C12 and moving contact C11 form or fixed contact C16 and moving contact C15 form, the electrical connection of disconnection or connection and control circuit, thereby the electrical connection between cut-out storage battery and the load.Interface k, l on the line bank can be used as the extended channel spare interface.
When this storage battery undervoltage protection is applied in the train auxiliary system; between the positive pole of the dc signal of interface a and storage battery output, can also connect two groups of make contact and one group of break contact; two groups of make contact are respectively applied to direction switch when train and are in forward, disconnect during the position backward; cut off and be electrically connected; one group of break contact be used for when train speed closed during less than 5km/h, connect electrical connection.Fig. 4 is the structural representation of a kind of control circuit between storage battery and the load, as shown in Figure 4, when switching knob turns to out position " on ", electrical connection in the both positive and negative polarity of the 110V dc signal of connection storage battery output and the battery charger between the both positive and negative polarity of control relay 1, thereby connection storage battery power supply, when switching knob turns to off-position " off ", electrical connection in the both positive and negative polarity of the 110V dc signal of connection storage battery output and the battery charger between the both positive and negative polarity of control relay 2, thus the cut-out storage battery power supply connect.The moving contact C12 of the first auxiliary relay K3 and C16 are respectively by the interface g on the line bank, the both positive and negative polarity of control relay 2 is electrically connected in i and the battery charger, the fixed contact C11 of the first auxiliary relay K3 and C15 are respectively by the interface h on the line bank, the both positive and negative polarity of the dc signal of j and storage battery output is electrically connected, in the storage battery power supply process, the closure of the break contact that the closure of the break contact that can form by fixed contact C12 and the moving contact C11 of the first auxiliary relay K3 and fixed contact C16 and moving contact C15 form, the first control channel between the connection g-h and the second control channel between the i-j, the i.e. electrical connection of connection and control circuit, namely connect the electrical connection between the both positive and negative polarity of control relay 2 in the both positive and negative polarity of 110V dc signal of storage battery output and the battery charger, thereby cut off storage battery power supply.Fig. 5 is the structural representation of another control circuit between storage battery and the load; as shown in Figure 5; two storage battery undervoltage protections can be joined together to use; be about to the second control channel between the i-j in the device shown in Figure 4, replace with the control channel between the g '-h ' in another device.
Based on above-mentioned control circuit shown in Figure 4, the operation principle of storage battery undervoltage protection shown in Figure 3 is as follows:
Observation process: the both positive and negative polarity A1 of the coil of low-voltage control relay K1; A2; respectively by the interface c on the line bank; the both positive and negative polarity of the dc signal of d and storage battery output is electrically connected; when the voltage of the dc signal of storage battery output is equal to, or greater than predeterminated voltage protection value; low-voltage control relay K1 gets electric; break contact A11; A12 is closed; the second auxiliary relay K4 gets electric; break contact D11; D12 is closed; make contact D11; D13 disconnects; disconnect and interface e; the electrical connection of the state-feedback circuit 25 between the f; do not produce feedback signal, the indication battery tension is normal.When the voltage of the dc signal of storage battery output during less than predeterminated voltage protection value, low-voltage control relay K1 dead electricity: make contact A11, A13 are closed, connect the electrical connection between the negative pole of dc signal of the negative pole C2 of coil of the first auxiliary relay K3 and storage battery output; Break contact A11, A12 disconnect; cut off the electrical connection between the both positive and negative polarity of dc signal of both positive and negative polarity D1, the D2 of coil of the second auxiliary relay K4 and storage battery output; the second auxiliary relay K4 dead electricity; break contact D11, D12 disconnect; make contact D11, D13 are closed, and the electrical connection of the state-feedback circuit 25 between connection and interface e, the f produces the first feedback signal; it is undesired to be used to indicate battery tension, namely less than predeterminated voltage protection value.
Timing process: when train is being parked maintenance when waiting special operation, satisfy train speed less than 5km/h, drivers' cab is vacant, satisfy the train directions switch and be not in forward or backward position, the positive pole of the dc signal of interface a and storage battery output is electrically connected, and the negative electricity of the dc signal that interface b is connected with storage battery connects.When satisfying train speed less than 5km/h, and when the train directions switch is not in forward or backward position, both positive and negative polarity B1, the B2 of the coil of time relay K2, the both positive and negative polarity of the dc signal by the output of interface a, b on the line bank and storage battery is electrically connected respectively, and beginning timing, when timing time during greater than Preset Time, time relay K2 gets electric: break contact B11, B12 are closed, connect the electrical connection between the positive pole of dc signal of the anodal C1 of coil of the first auxiliary relay K3 and storage battery output; Break contact B14, B15 are closed, and the electrical connection of the state-feedback circuit 25 between connection and interface e, the f produces the second feedback signal, is used to indicate timing time greater than Preset Time.
Control procedure: in the observation process, when the voltage of the dc signal of storage battery output during less than predeterminated voltage protection value, connect the electrical connection between the negative pole of dc signal of the negative pole C2 of coil of the first auxiliary relay K3 and storage battery output; In the timing process, when timing time during greater than Preset Time, connect the electrical connection between the positive pole of dc signal of the anodal C1 of coil of the first auxiliary relay K3 and storage battery output; Therefore, when the voltage of the dc signal of storage battery output less than predeterminated voltage protection value, and timing time is during greater than Preset Time, the both positive and negative polarity C1 of the coil of the first auxiliary relay K3, electrical connection between the both positive and negative polarity of the dc signal of C2 and storage battery output is connected respectively, the first auxiliary relay K3 gets electric: break contact C11, C12 is closed, connect the first control channel between the interface g-h, the positive pole of control relay 2 is electrically connected in interface g and the battery charger, the positive pole of the dc signal of interface h and storage battery output is electrically connected, and namely connects the electrical connection between the positive pole of dc signal of the positive pole of control relay 2 in the battery charger and storage battery output; Break contact C15, C16 are closed, connect the second control channel between the interface i-j, interface i is connected the negative electricity of control relay 2 and is connected with battery charger, the negative electricity of the dc signal that interface j is connected with storage battery connects, and namely connects the electrical connection between the negative pole of dc signal of the negative pole of control relay 2 in the battery charger and storage battery output; Break contact C17, C18 are closed, and the electrical connection of the state-feedback circuit 25 between connection and interface e, the f produces the 3rd feedback signal, are used to indicate the electrical connection of cutting off between storage battery and the load.
The storage battery undervoltage protection that present embodiment provides; by the dc signal of storage battery output is monitored; and the storage battery power supply time carried out timing; when the voltage that monitors dc signal less than predeterminated voltage protection value and timing time during greater than Preset Time; cut off the electrical connection between storage battery and the load; storage battery stops to power to the load, and has avoided storage battery to cause under-voltage power shortage because continuing power consumption, has improved the useful life of storage battery.
Fig. 6 is the structural representation of a storage battery under-voltage protection embodiment of system provided by the invention.As shown in Figure 6, this system comprises: at least one is such as above-mentioned Fig. 1 or storage battery undervoltage protection 61 shown in Figure 2, and storage battery 62, and storage battery undervoltage protection 61 and storage battery 62 are electrically connected.
The storage battery under-voltage protection system that present embodiment provides; by the dc signal of storage battery output is monitored; and the storage battery power supply time carried out timing; when the voltage that monitors dc signal less than predeterminated voltage protection value and timing time during greater than Preset Time; cut off the electrical connection between storage battery and the load; storage battery stops to power to the load, and has avoided storage battery to cause under-voltage power shortage because continuing power consumption, has improved the useful life of storage battery.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a storage battery undervoltage protection is characterized in that, comprises input module, output module and under-voltage protection module, wherein:
Described input module is used for inputting the dc signal that described storage battery is exported;
Described output module is used for the described dc signal of described input module input is exported to load as working power;
Described under-voltage protection module; be used for the described dc signal of described input module input is monitored; when the voltage that monitors described dc signal during less than predeterminated voltage protection value; cut off the electrical connection between described input module and the described output module, so that described output module stops to export described dc signal to described load.
2. storage battery undervoltage protection according to claim 1 is characterized in that, described under-voltage protection module comprises: monitoring unit, timing unit and control unit, wherein:
Described monitoring unit is used for the described dc signal of described input module input is monitored;
Described timing unit is used for beginning timing when monitoring described input module described dc signal input is arranged;
Described control unit; be used for monitoring the voltage of described dc signal less than described predeterminated voltage protection value when described monitoring unit; and the timing time of described timing unit cuts off the electrical connection between described input module and the described output module during greater than Preset Time.
3. storage battery undervoltage protection according to claim 2; it is characterized in that; described under-voltage protection module also comprises: state feedback unit and state-feedback circuit; the voltage that described state feedback unit is used for monitoring described dc signal when described monitoring unit is during less than described predeterminated voltage protection value; electrical connection between connection and the described state-feedback circuit; so that described state-feedback circuit produces the first feedback signal, described the first feedback signal is used to indicate the voltage of described dc signal less than described predeterminated voltage protection value.
4. storage battery undervoltage protection according to claim 3; it is characterized in that; described timing unit also is used for: when described timing time during greater than described Preset Time; electrical connection between connection and the described state-feedback circuit; so that described state-feedback circuit produces the second feedback signal, described the second feedback signal is used to indicate described timing time greater than described Preset Time.
5. storage battery undervoltage protection according to claim 4; it is characterized in that; described control unit also is used for: when the electrical connection between the described input module of cut-out and the described output module; electrical connection between connection and the described state-feedback circuit; so that described state-feedback circuit produces the 3rd feedback signal, described the 3rd feedback signal is used to indicate described control unit and cuts off electrical connection between described input module and the described output module.
6. storage battery undervoltage protection according to claim 5 is characterized in that, described monitoring unit is the low-voltage control relay, and described timing unit is the time relay, and described control unit is the first auxiliary relay;
The both positive and negative polarity of the coil of described low voltage monitoring relay is electrically connected with the both positive and negative polarity of described dc signal respectively, when the voltage of described dc signal during less than described predeterminated voltage protection value, the make contact that triggers described low voltage monitoring relay is closed, connects the electrical connection between the negative pole of the negative pole of coil of described the first auxiliary relay and described dc signal;
The both positive and negative polarity of the coil of the described time relay is electrically connected with the both positive and negative polarity of described dc signal respectively, when the timing time of the described time relay during greater than described Preset Time, the first break contact that triggers the described time relay is closed, connects the electrical connection between the positive pole of anodal and described dc signal of coil of described the first auxiliary relay;
When the both positive and negative polarity of the coil of described the first auxiliary relay is electrically connected with the both positive and negative polarity of described dc signal respectively, trigger the auxiliary contact of described the first auxiliary relay, cut off the electrical connection between described input module and the described output module, so that described output module stops to export described dc signal to described load.
7. storage battery undervoltage protection according to claim 6 is characterized in that, described state feedback unit is the second auxiliary relay;
The both positive and negative polarity of the coil of described low voltage monitoring relay is electrically connected with the both positive and negative polarity of described dc signal respectively; when the voltage of described dc signal during less than described predeterminated voltage protection value; the break contact that triggers described low-voltage control relay disconnects; cut off the electrical connection between the both positive and negative polarity of the both positive and negative polarity of coil of described the second auxiliary relay and described dc signal; the make contact that triggers described the second auxiliary relay is closed; electrical connection between connection and the described state-feedback circuit is so that described state-feedback circuit produces described the first feedback signal.
8. storage battery undervoltage protection according to claim 7; it is characterized in that; the both positive and negative polarity of the coil of the described time relay is electrically connected with the both positive and negative polarity of described dc signal respectively; when the timing time of the described time relay during greater than described Preset Time; the second break contact that triggers the described time relay is closed; electrical connection between connection and the described state-feedback circuit is so that described state-feedback circuit produces described the second feedback signal.
9. storage battery undervoltage protection according to claim 8; it is characterized in that; when the both positive and negative polarity of described the first auxiliary relay coil is electrically connected with the both positive and negative polarity of described dc signal respectively; the break contact that triggers described the first auxiliary relay is closed; electrical connection between connection and the described state-feedback circuit is so that described state-feedback circuit produces described the 3rd feedback signal.
10. a storage battery under-voltage protection system is characterized in that, comprises at least one such as each described storage battery undervoltage protection of claim 1-9, and storage battery, described storage battery undervoltage protection be connected storage battery and connect.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336244A (en) * | 2013-06-13 | 2013-10-02 | 天津力神电池股份有限公司 | Lithium Ion battery voltage, internal resistance and shell resistance comprehensive test device |
| CN104503279A (en) * | 2014-11-26 | 2015-04-08 | 南车南京浦镇车辆有限公司 | Vehicle emergency starting unit control circuit |
| CN104733687A (en) * | 2015-03-19 | 2015-06-24 | 江西三川水表股份有限公司 | Explosion-proof battery |
| CN104779697A (en) * | 2015-04-21 | 2015-07-15 | 国网山东新泰市供电公司 | Adjustable automatic-timing in-service and out-of-service protector for accumulator |
| CN105292310A (en) * | 2015-11-19 | 2016-02-03 | 天津工业大学 | Vehicle anti-theft positioning system with automatic charging function |
| CN106571619A (en) * | 2016-10-27 | 2017-04-19 | 中车株洲电力机车有限公司 | Storage battery undervoltage protection control circuit and control method thereof |
| CN108023372A (en) * | 2016-10-31 | 2018-05-11 | 中国恩菲工程技术有限公司 | The undervoltage protection of storage battery |
| CN108667096A (en) * | 2018-05-18 | 2018-10-16 | 中车株洲电力机车有限公司 | A kind of intelligent accummulator protection control method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050256617A1 (en) * | 2004-05-14 | 2005-11-17 | Cawthorne William R | Method of undervoltage protection during engine cranking |
| CN1770586A (en) * | 2004-11-04 | 2006-05-10 | 松下电动车辆能源股份有限公司 | Power supply controller, electric vehicle and battery control unit |
| CN1956287A (en) * | 2005-10-25 | 2007-05-02 | 杰生自动技术有限公司 | Power control method of vehicle battery and its device |
| CN101192686A (en) * | 2007-08-17 | 2008-06-04 | 安研 | Method for protecting accumulator cell in wind-light complementary system and wind-light complementary system |
| CN101267052A (en) * | 2008-05-12 | 2008-09-17 | 上海广为美线电源电器有限公司 | Batter life extender |
| CN102270831A (en) * | 2011-07-26 | 2011-12-07 | 广州日滨科技发展有限公司 | Wide-voltage power protection device of intelligent vehicle-mounted terminal |
-
2012
- 2012-12-18 CN CN201210554620.0A patent/CN103066569B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050256617A1 (en) * | 2004-05-14 | 2005-11-17 | Cawthorne William R | Method of undervoltage protection during engine cranking |
| CN1770586A (en) * | 2004-11-04 | 2006-05-10 | 松下电动车辆能源股份有限公司 | Power supply controller, electric vehicle and battery control unit |
| CN1956287A (en) * | 2005-10-25 | 2007-05-02 | 杰生自动技术有限公司 | Power control method of vehicle battery and its device |
| CN101192686A (en) * | 2007-08-17 | 2008-06-04 | 安研 | Method for protecting accumulator cell in wind-light complementary system and wind-light complementary system |
| CN101267052A (en) * | 2008-05-12 | 2008-09-17 | 上海广为美线电源电器有限公司 | Batter life extender |
| CN102270831A (en) * | 2011-07-26 | 2011-12-07 | 广州日滨科技发展有限公司 | Wide-voltage power protection device of intelligent vehicle-mounted terminal |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336244A (en) * | 2013-06-13 | 2013-10-02 | 天津力神电池股份有限公司 | Lithium Ion battery voltage, internal resistance and shell resistance comprehensive test device |
| CN104503279A (en) * | 2014-11-26 | 2015-04-08 | 南车南京浦镇车辆有限公司 | Vehicle emergency starting unit control circuit |
| CN104503279B (en) * | 2014-11-26 | 2017-05-17 | 中车南京浦镇车辆有限公司 | Vehicle emergency starting unit control circuit |
| CN104733687A (en) * | 2015-03-19 | 2015-06-24 | 江西三川水表股份有限公司 | Explosion-proof battery |
| CN104779697A (en) * | 2015-04-21 | 2015-07-15 | 国网山东新泰市供电公司 | Adjustable automatic-timing in-service and out-of-service protector for accumulator |
| CN105292310A (en) * | 2015-11-19 | 2016-02-03 | 天津工业大学 | Vehicle anti-theft positioning system with automatic charging function |
| CN106571619A (en) * | 2016-10-27 | 2017-04-19 | 中车株洲电力机车有限公司 | Storage battery undervoltage protection control circuit and control method thereof |
| CN106571619B (en) * | 2016-10-27 | 2018-12-14 | 中车株洲电力机车有限公司 | A kind of storage battery under-voltage protection control circuit and its control method |
| CN108023372A (en) * | 2016-10-31 | 2018-05-11 | 中国恩菲工程技术有限公司 | The undervoltage protection of storage battery |
| CN108667096A (en) * | 2018-05-18 | 2018-10-16 | 中车株洲电力机车有限公司 | A kind of intelligent accummulator protection control method and system |
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| CN103066569B (en) | 2015-02-25 |
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